Patent US 4853784A

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Patent number US 4853784A (click link for details and documents via Google Patents)
Title Video switcher with independent processing of selected video signals
Inventors John Abt, Ronnie D. Barnett, James E. Blecksmith, Kevin D. Windrem, Neil R. Olmstead, Richard A. Jackson, Peter D. Symes, Richard S. Bannister, Thomas A. Grancey, Richard A. Frasier
Company The Grass Valley Group, Inc.
Filing date 1988-02-19
Grant date 1989-08-01



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